A23 UNITED STATES GYPSUM COMPANY Sabinite Acoustical Plaster 300 West Adams Street CHICAGO, ILL.

ARCHITECTS' SPECIFICATIONS FOR United States Gypsum Company's No Lime Trowel Sand and Float Prepared Finishes Specifications for Prepared Trowel Finishes 1-- Trowel Finish to be United States Gypsum Com pany's (Brand.)

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A \' MET-239 BEPOHT OF THE PHYSICAL EXAMIMTIOHS AHD X-EAY EXAlfflHATIOHS OP ASBESTOS WOEKEBS IB ASBESTOS AHD THETPOHD HIHES.

TRCMt DiTEi MKkORXKDDH* Campbell, Third Tioe Prasld Or.

1/V -V"*- : rr\*'.a-flC1*' K . / $Mti r *jMI * S"1. : Annals New York Academy of Sciences in this study 383 of 611 employees have worked for less than five years!

CANCERS OF THE RESPIRATORY SYSTEM 435 i< of chemical agents are capable, in the experimental animal at least, of in fluencing the occurrence, incidence, or biological character, of pulmonary neoplasia.

19 2 7 TRANSACTIONS OF THE National Safety Council SIXTEENTH ANNUAL SAFETY CONGRESS VOLUME I X September 26 to 30, 1927 The Hotel Stevens CHICAGO Copyright, 1928, National Safety Council CONTENTS Council Officers and Directors--.............--..................-..........................

AMERICAN BUREAU OF SHIPPING APPOINTED BY THE COMMANDANT.

AMERICAN SOCIETY OF HEATING & YENTILATIN6 ENGINEERS 6UIDE.1923J DETERMINING BOILER CAPACITY REQUIRED FOR A PARTICULAR INSTALLATION First determine from the boiler manufacturer whether his complete line of boilers has been tested and rated according to the A.

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American Society of Heating and Ventilating Engineers Guide, 1925-26 American Society of Heating and Ventilating Engineers Guide, 1925-26 HEAT LOSSES FROM INSULATED SURFACES Fig. 68 shows the losses from appropriately insulated surfaces compared with losses from bare surfaces.

American Society of Heating and Ventilating Engineers Guide, 1925-26 irig the free.area of discharge, even when open wide.

American Society of Heating and Ventilating Engineers Guide 1926-27 Containing Design and Specification Data Useful in . the Planning and Construction of Modern Heating and Ventilating Installations--Prepared from the Society's Transactions--Investigations of Its Research Laboratory -- and the Practice of Its Members together with a Manufacturers' Catalog Data Section Containing Essen tial and Reliable Facts Concerning Modern Equipment AND A Consulting Service Section for Engineers also The Roll of Membership of the Society with Complete Index of Technical and Catalog Data Vol. 5 $3.00 Per Volume 972466 Published Annually by American Society of Heating and Ventilating Engineers 29 West 39TH Street New York /

American Society of Heating and Ventilating Engineers Guide, 1926-27' American Society of Heating and Ventilating Engineers Guide, 1926-27 per degree temperature difference per hour (Curve 1, Trans.